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  • In Young's double slit experiment, 12 fringes are obtained to be formed in a certain segment of the screen when light of wavelength <img alt="600 \mathrm{~nm}" src="https://entrancecorner.oncod

In Young's double slit experiment, 12 fringes are obtained to be formed in a certain segment of the screen when light of wavelength 600 \mathrm{~nm} is used. If wavelength of light is changed to 400 \mathrm{~nm}, number of fringes observed in the same segment of the screen is given by

Option: 1

18


Option: 2

24


Option: 3

30


Option: 4

36


Answers (1)

best_answer

\mathrm{n_{1} \lambda_{1}=n_{2} \lambda_{2}}

\therefore \: \mathrm{n}_{2}=\frac{\mathrm{n}_{1} \lambda_{1}}{\lambda_{2}}=\frac{12 \times 600}{400}=18

Posted by

sudhir kumar

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